87478690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{672913}}^1$

素因数の和:672933

約数の個数: 16

約数和(自身を含む): 169574328

約数和(自身を除く): 82095638

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 672913, 1345826, 3364565, 6729130, 8747869, 17495738, 43739345, 87478690]

約数ペア:

[(1, 87478690), (2, 43739345), (5, 17495738), (10, 8747869), (13, 6729130), (26, 3364565), (65, 1345826), (130, 672913)]